Congratulations to Grant K0GDB on his FB SolderSmoke Direct Conversion receiver. Welcome to the Hall of Fame Grant! That PTO former is especially FB! Grant is a relatively new ham, making his smooth construction of this receiver even more admirable.
Grant writes:
Proof of life video! Many thanks for the helpful YouTube tutorials, everything went together pretty smoothly.
The windings are actually as close to the specification as I could get them on the nanoVNA. It's been a bit since I built that part, but if memory serves I had one fewer turn and had to do some bunching to get it to read correctly. The main difference in the PTO is that I made the former on a laser cutter from slices of quarter-inch plywood since I don't have a 3d printer. The center cyllinder is actually just rolled up paper.
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